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paoloamato2

Keycloak MCP Server

by paoloamato2

list_client_role_groups

Retrieve groups assigned a specific client role in a Keycloak realm. Enter realm, client UUID, and role name to get the list.

Instructions

List groups that have the specified client role.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
realmYesRealm name
client_uuidYesClient UUID
role_nameYesRole name
firstNoPagination offset
maxNoMaximum results size
briefRepresentationNoIf true, return brief representation
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are present, so the description must carry the burden. It only states the basic function, without disclosing read-only nature, required permissions, pagination behavior, or any side effects.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single sentence, no redundancy. While more detail could be added, the description is efficient and front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With 6 parameters, no output schema, and no annotations, the description is too minimal. It does not explain pagination, brief representation, or return format, leaving critical context missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and all parameters are described. The description adds no extra meaning beyond the schema's parameter descriptions, achieving baseline 3.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action ('List') and the resource ('groups') with a specific filter ('that have the specified client role'). It is distinct from sibling tools like 'list_realm_role_groups' and 'list_client_roles'.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives. With many sibling tools (e.g., list_realm_role_groups, list_client_role_users), the description lacks explicit context or prerequisites.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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